package com.zzxkj.blog.controller.admin;

import com.zzxkj.blog.Entity.User;
import com.zzxkj.blog.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/admin")
public class LoginController {
   @Autowired
   private UserService userService;
    @GetMapping
    public String loginPage()
    {
        return "admin/login";
    }
    @PostMapping("/login")
    public String login(@RequestParam String username ,
                        @RequestParam String password,
                        HttpSession session,
                        RedirectAttributes attributes) {
        User user = userService.checkUser(username,password);
        if(user!=null)
        {
              user.setPassword(null);
              session.setAttribute("user",user);
              return "admin/index";
        }else {
            attributes.addFlashAttribute("message","用户名和密码错误");
            return "redirect:/admin";
        }
    }
    @GetMapping("/logout")
    public String logout(HttpSession session)
    {
        session.removeAttribute("user");
        return  "redirect:/admin";
    }

}
